MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains embedded JavaScript and multiple external URIs, indicating it is designed to redirect users to malicious content. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' suggests the document may be part of a social engineering tactic to trick users into downloading an encrypted payload. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://infrive.ru/uplcv?utm_term=how+to+recover+lost+passwords+on+iphone PDF link annotation
- http://ventiliatoriai.lt/js/ckfinder/userfiles/files/wekuzuson.pdfIn PDF document text
- https://aicpwdosaeast.com/ckfinder/userfiles/files/xipatigejupu.pdfIn PDF document text
- http://dobryremont.pl/ebobas/portal/app/webroot/img/tmp/file/1631403051279.pdfIn PDF document text
- http://russia-ex.com/images/blog/file/30129203125.pdfIn PDF document text
- https://hsse.hssanesteban.cl/files/lalegizudifugafureda.pdfIn PDF document text
- https://fidelishospice.com/ckfinder/userfiles/files/17663620617.pdfIn PDF document text
- http://ancient-theater.gr/media/file/namaruxexawalavorib.pdfIn PDF document text
- https://horizontire.com/userfiles/file/89202743207.pdfIn PDF document text
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fd5a96b0f0---16883272990.pdfIn PDF document text
- http://bright-inter.com/file_media/file_image/file/mujumesibixed.pdfIn PDF document text
- http://deforma.it/userfiles/files/fipenimavegowutotizebun.pdfIn PDF document text
- https://maria-galland.ru/files/file/74945762439.pdfIn PDF document text
- http://dirpub.org/editor/ckfinder/userfiles/files/lapul.pdfIn PDF document text
- http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/161361b2b8340f---punagixazafef.pdfIn PDF document text
- http://newkontakt.ru/userfiles/images/file/zivobemuli.pdfIn PDF document text
- http://administratieindex.nl/images/uploads/paxesulusolebo.pdfIn PDF document text
- https://www.hosotte.com/ckfinder/userfiles/files/karudizofexaripuwebe.pdfIn PDF document text
- http://maremio.ru/admin/ckfinder/userfiles/files/gupojirez.pdfIn PDF document text
- http://cjmfgxfollow.morefriendship.com/upload/files/62238245405.pdfIn PDF document text
- http://misterholidaysanprisco.it/userfiles/files/zobubafuzinivikubepute.pdfIn PDF document text
- http://dabaizhongxue.com/upload_fck/file/2021-9-8/20210908154950196208.pdfIn PDF document text
- http://alsace.annuaire-regional.com/ckfinder/userfiles/files/1421089970.pdfIn PDF document text
- http://woodbridgeabw.com/uploads/files/77817949111.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d55f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD55F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ed76.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED76 | 10756 bytes |
SHA-256: da671387fdb5f68fde82474c4e928b4a6bccccf3ee78514dbc1674b95998a471 |
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font_02_sfnt_off00010622.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10622 | 16752 bytes |
SHA-256: 9eb4b6d06911a20e5f61bc8356f3d9612167ab22f60acd86de2461dca9969827 |
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